Home / 3,908,736,039.60-5,863,104,059.40-3,480,182,017.20

Finding the Fourth Proportional to 3,908,736,039.60, 5,863,104,059.40 and 3,480,182,017.20

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Solution

The fourth proportional to 3,908,736,039.60, 5,863,104,059.40 and 3,480,182,017.20 is: 5,220,273,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,736,039.60 : 5,863,104,059.40 = 3,480,182,017.20 : x
  2. Step 2: Convert to fraction form
    3,908,736,039.60/5,863,104,059.40 = 3,480,182,017.20/x
  3. Step 3: Cross multiply
    3,908,736,039.60x = 5,863,104,059.40 × 3,480,182,017.20
  4. Step 4: Simplify right side
    3,908,736,039.60x = 20,404,669,312,496,197,632
  5. Step 5: Solve for x
    x = 20,404,669,312,496,197,632/3,908,736,039.60
  6. Step 6: Final answer
    x = 5,220,273,025.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.